Introducing our Ultrasonic Insect Repellent and Ultrasonic Mouse Repellent! Our factory produces high-quality, eco-friendly devices that are designed to keep unwanted pests at bay. Using advanced ultrasonic technology, our products emit high frequency sound waves that are unpleasant to insects and rodents, but completely safe for humans and pets. With easy plug-and-play operation, our repellents are perfect for homes, offices, and other indoor environments. Don't let pests disrupt your life - try our Ultrasonic Insect Repellent and Ultrasonic Mouse Repellent today!